DOGO Media
Dogo News: It's Official! The Greenland Shark Is the Longest Living Vertebrate
An article and discussion questions about the recently identified sharks native to the cold Greenland waters as the oldest vertebrates ever studied.
Sheppard Software
Sheppard Software: White Tip Sharks
This site gives an in-depth description of a white tip shark, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test understanding.